Learn about CVE-2021-38005, a use after free vulnerability in Google Chrome before 96.0.4664.45 that could allow remote attackers to exploit heap corruption via crafted HTML pages. Find out the impact, technical details, and mitigation steps.
A use after free vulnerability in Google Chrome before version 96.0.4664.45 allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Understanding CVE-2021-38005
This section will provide an in-depth look at the CVE-2021-38005 vulnerability in Google Chrome.
What is CVE-2021-38005?
The CVE-2021-38005 vulnerability is a use after free issue in the loader component of Google Chrome, which could be exploited by a remote attacker to trigger heap corruption by enticing a user to visit a specially crafted webpage.
The Impact of CVE-2021-38005
The exploitation of this vulnerability may lead to arbitrary code execution, compromising the security and integrity of the affected system and potentially allowing an attacker to take control of the victim's machine.
Technical Details of CVE-2021-38005
In this section, we will delve into the specifics of the CVE-2021-38005 vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability arises from a use after free flaw in the loader component of Google Chrome, which could result in heap corruption when processing a malicious HTML page.
Affected Systems and Versions
Google Chrome versions prior to 96.0.4664.45 are affected by this vulnerability, exposing users of these versions to the exploit potential.
Exploitation Mechanism
By enticing a user to visit a specially crafted HTML page, a remote attacker can trigger the use after free vulnerability in the loader component of Google Chrome, potentially leading to heap corruption.
Mitigation and Prevention
This section outlines the necessary steps to mitigate the risks associated with CVE-2021-38005 and prevent any exploitation of the vulnerability.
Immediate Steps to Take
Users are advised to update their Google Chrome browser to version 96.0.4664.45 or later to prevent exploitation of the vulnerability and ensure the security of their systems.
Long-Term Security Practices
Implementing secure browsing habits, avoiding clicking on suspicious links, and keeping software up to date are essential practices to enhance the security posture of systems against potential threats.
Patching and Updates
Regularly checking for updates and promptly applying patches released by Google for Chrome can help in addressing known vulnerabilities and fortifying the browser's security defenses.